law. the president's legal authority derives from the authorization to use military force after september 18, 2001. congress should update this 12 year-old law. military and intelligence personnel defending against the terrorist threats to reface one decade after 9/11. including u.s. citizens. of course in addition to the statutory authority granted by congress, the president has broader authority to take necessary actions to defend the united states against terrorist threats. the targeted killing of american citizens, certain constitutional rights under the fourth and fifth amendments, even when they are up said the united states. the extent of those rights is not clear. what amount of process is due to an american outside the united states before being targeted by his government? i agree with the principal conclusions of the white paper that reportedly summarize the law as applicable to killing an american citizen who is a senior operation al qaeda leader. i agree that a senior al qaeda